#include <54func.h>
int main(int argc, char *argv[])
{
    if(fork()){
        wait(NULL);
        printf("child is finished!\n");
    }
    else{
        printf("I am child\n");
        execl("0_homework_B",
              "./0_homework_B",".",
              NULL);
    }
    return 0;
}

